Sewing machine



FIG. 1 is a front perspective view of a sewing machine embodying my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevation thereof;

FIG. 4 is a left side elevation thereof;

FIG. 5 is a right side elevation thereof;

FIG. 6 is a rear elevation thereof;

FIG. 7 is a bottom plan view thereof; and

FIG. 8 is a front perspective view of the sewing machine illustrated in FIG. 1, depicting the handle and bed portions for clarity of illustration.

The broken lines representing the foot pedal are shown for illustrative purposes only. 

The ornamental design for sewing machine, as shown and described. 